Purpose:
Concrete class to perform read using raw SQL and the SQLResultSetMapping.

Responsibilities:
Execute a selecting raw SQL string.
Returns a List of results. Each item in the list will be another list
consisting of the expected populated return types in the order they were
specified in the SQLResultSetMapping

clone

convertClassNamesToClasses

INTERNAL:
Convert all the class-name-based settings in this ResultSetMapping to actual class-based
settings. This method is used when converting a project that has been built
with class names to a project with classes.